RCE in Cloudfoundry Bosh Cli
CVE-2026-41857
A compromised or malicious BOSH Director can execute arbitrary shell commands on the operator's workstation when the operator runs bosh ssh (or bosh scp/bosh logs -f) with default flags. Affected versions: BOSH CLI versions prior to 7.10.5.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (12.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Cloudfoundry Bosh Cli
- Cloudfoundry Bosh Cli — versions 0
Weakness classification (CWE)
References
- www.cloudfoundry.org/blog/cve-2026-41857-bosh-cli-shell-injection/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-41857?
- CVE-2026-41857 is a high-severity vulnerability in Cloudfoundry Bosh Cli, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-07-09.
- How severe is CVE-2026-41857?
- High severity. CVSS v3 base score is 7.8 out of 10.